Headboard



FIG. 1 is a perspective view of a first embodiment of a headboard, shown in an environment of use;

FIG. 2 is a perspective view of a second embodiment of a headboard;

FIG. 3 is front view of the headboard of FIG. 2;

FIG. 4 is a back side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is another perspective view of the first embodiment of a headboard, shown without the environmental subject matter;

FIG. 10 is a front view of the headboard of FIG. 9;

FIG. 11 is back side view thereof;

FIG. 12 is top view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a left side view thereof; and,

FIG. 15 is a right side view thereof.

The broken lines illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a headboard, as shown and described. 